1. Pick a difficulty
Tap Play and choose a tier: Easy (3x3), Medium (4x4), Hard (5x5), Expert (6x6), Master (7x6), Guru (8x6), Genius (9x7) or Legend (10x7). Each tier is its own campaign of 100 levels, one per picture.
Levels unlock one after another and progress is tracked per tier, so you can start gentle and move up when you are ready.